TY  - BOOK
AU  - Gannett,Samuel S.
AU  - Baldwin,David Henry
TI  - Results of spirit leveling in Illinois, 1896 to 1908, inclusive
AV  - QE75 .B9 no. 421
PY  - 1910///
PB  - Govt. Print. Off.
KW  - Illinois
KW  - Altitudes
ER  -